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author | Alon Zakai <azakai@google.com> | 2019-04-24 15:27:05 -0700 |
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committer | GitHub <noreply@github.com> | 2019-04-24 15:27:05 -0700 |
commit | c3ed0f176b36a502ef2e1fd915550a808b8d8f0b (patch) | |
tree | 6abff96331025a74e18cfa4f173a997d3c800559 /src/passes/LegalizeJSInterface.cpp | |
parent | bc0a605e8864324d40aafbd00e8de0e50240ce26 (diff) | |
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wasm2js: more js optimization (#2050)
* Emit ints as signed, so -1 isn't a big unsigned number.
* x - -c (where c is a constant) is larger than x + c in js (but not wasm)
* +(+x) => +x
* Avoid unnecessary coercions on calls, return, load, etc. - we just need coercions when entering or exiting "wasm" (not internally), and on actual operations that need them.
Diffstat (limited to 'src/passes/LegalizeJSInterface.cpp')
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